C - prey
i - predator
a - parasitism
f - commensalism
d - competition
B. The Outback.
The Outback is the correct word.
Answer:
umm i think its new jersey plan im so sorry if im wrong feel free to call me the most re tarded person in the world....
Explanation:
The answer that fits the blank is the term CHANCE. There would always be variability between the groups because of the variability of the given samples and how these samples are being treated in the first place. This is when chances enter.